Police have attributed two more attacks to the groper who has struck mostly on the East Side, with the latest occurring Friday night inside Central Park at 66th Street and the West Drive.
They have also added an attack from Wednesday that police say occurred around 7 p.m. aboard a No. 6 train at 68th Street and Lexington Avenue.
In Friday night's incident, sources tell NBC New York that a 28-year-old woman told police the suspect approached her from behind in the park at around 10:15 p.m.
He started a conversation with her and then began to touch her. The victim told police she fought him off by kicking and punching him, and after she poked him in the eye he took off heading east on 66th Street from the park.
She was treated and released at a hospital.
In Wednesday's incident, the victim tells police she was on the uptown No. 6 train approaching the 68th Street and Lexington Avenue stop when the suspect groped her. The victim says he fled when the train doors opened.
With these additional incidents, the number of attacks now stands at 12, with most occurring on the Upper East Side.
Investigators speculate the man may be a kitchen worker at a local restaurant who works odd hours, according to the police commissioner.
Anyone with information about him is asked to call Crime Stoppers at 1-800-577-TIPS (8477).